Designed a machine in which the user can dispose plastic and metal waste and redeem points to collect rewards by scanning the QR code.
Project tutorial by dikshadwivedi1819
First optical toy (1832), which allowed to reproduce the movement of an image. Here motorized and reproduced with Arduino.
Project showcase by Guiye Perez Bongiovanni
This is a BMS charger that would be as universal as possible for testing Li-ion or LifePo4 cells.
Project in progress by philippedc
UV-C / heat, Arduino-controlled, face-mask disinfecting device for Coronavirus (SARS-CoV-2). #COVID19DetectProtect
Project tutorial by Team NeedLab
In this tutorial we’ll show you how to build a simple and cheap robotic arm from wood scraps and plastic bottles!
Project tutorial by circuito.io team
This a mini CNC 2D plotter made from old DVD drive, L293D motor shield & Arduino.
Project tutorial by Sandeep Sharma
Weather forecast clock made from a Nano, a salvaged alarm, a BME280 sensor, a DS1307 RTC, an old cell phone battery, and Nokia 5110 screen.
Project showcase by LenkaDesign
An old CB transceiver is converted to the 50MHz amateur band using an Arduino Pro Mini, DDS, PLL and OLED display.
Project in progress by hvde
Disassemble an old printer (in this case a dot matrix) and drive the stepper motor(s) for linear motion or rotation. With Arduino.
Got some old phones? Here's a cool way to reuse your old phone by converting it into a remote switch that can be operated from anywhere.
Project tutorial by Vishwas Navada
Did your somewhat expensive ($50) soldering iron just die? Well then fix it with another one!
Project tutorial by NoraTheDoggo
Plastic Reflectic is an interactive installation that shows the visitor their own silhouette in floating plastic ocean waste.
Project showcase by Team Front404
Hooking up a 30-year-old LED bubble display to an Arduino MKR WiFi 1010.
My ice maker blew its controller board and I needed to make a plan to replace it. So I used an Arduino to control it!
Project in progress by unclenoobz
This will prevent you from going back to sleep after snoozing that since now you have to solve a math problem to snooze the alarm.
There are a lot of Arduino-based metal detectors using various technologies. This is one of them that uses direct frequency measurement.
Project tutorial by Andrius Purr
What'd it be to interact with people using 'social media features' in real life? There's a wearable that explores exactly that!!!
Project showcase by tuangt
This project uses the SRP-1037FG cooker, which doesn't work anymore as a rice cooker after some use.
Project in progress by Yong Hyoung
EscoriaBot is a robot made with recycled material and Arduino electronics.
Project tutorial by estebanregistros
Recycle your old cellphone to build one and connect it by a browser to your new phone, PC or tablet!
Project tutorial by Klaus-Detlef Siegmund
A DIY pinwheel controlled by Arduino using a DC motor recycled from a portable CD player.
Project tutorial by Francesco Guerri
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